既承受弯矩又承受扭矩作用的轴叫（）。

工作中只受弯矩不受转矩的轴叫作（）轴，只受转矩不受弯矩的轴叫作（）轴，同时受弯矩和（）矩的轴叫作转轴，自行车的前轴是（）轴，中轴是（）轴，后轴是（）轴。

如果将轴类零件按受力方式分类，可将受弯矩而不受扭矩作用的轴称为心轴，受扭矩而不受弯矩 作用的轴称为传动轴，受弯矩和扭矩联合作用的轴称为转轴。

输出继电器（OR）通过一对（）触点将PLC的控制信号传递给负载。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

只承受弯矩而不承受扭矩或扭矩很小的轴称为传动轴。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

只承受弯矩作用而不传递扭矩的轴件，叫做（）

工作时既承受弯曲载荷又传递转矩的轴称为（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。